from fractions import Fraction

# signed main(){
	# string s; cin>>s;
	# reverse(all(s));
	# int n=s.size();
	# const Node M={{1}, {1, 2}};
	# Node B={1, {0, 1}};
	# res={0, {0, 1}};
	# rep(i, 0, n-1){
		# Node val={s[i]-'0', {0, 1}};
		# res=add(res, mul(B, val));
# 		
		# B=mul(B, M);
	# }
	# print(res);
	# return 0;
# }

s = input()
s = s[::-1]
n = len(s)

M = Fraction(3, 2)
B = Fraction(1, 1)

res = Fraction(0, 1)

for i in range(n):
	val = Fraction(int(s[i]), 1)
	res += B * val
	B *= M

x = res.numerator
y = res.denominator

# print(x, y)

if y == 1:
	print(x)
else:
	print(x // y, end=' ')
	print(str(x % y) + "/" + str(y))

answer.code:3:3: error: invalid preprocessing directive #signed
    3 | # signed main(){
      |   ^~~~~~
answer.code:4:11: error: invalid preprocessing directive #string
    4 |         # string s; cin>>s;
      |           ^~~~~~
answer.code:5:11: error: invalid preprocessing directive #reverse
    5 |         # reverse(all(s));
      |           ^~~~~~~
answer.code:6:11: error: invalid preprocessing directive #int
    6 |         # int n=s.size();
      |           ^~~
answer.code:7:11: error: invalid preprocessing directive #const
    7 |         # const Node M={{1}, {1, 2}};
      |           ^~~~~
answer.code:8:11: error: invalid preprocessing directive #Node
    8 |         # Node B={1, {0, 1}};
      |           ^~~~
answer.code:9:11: error: invalid preprocessing directive #res
    9 |         # res={0, {0, 1}};
      |           ^~~
answer.code:10:11: error: invalid preprocessing directive #rep
   10 |         # rep(i, 0, n-1){
      |           ^~~
answer.code:11:19: error: invalid preprocessing directive #Node
   11 |                 # Node val={s[i]-'0', {0, 1}};
      |                   ^~~~
answer.code:12:19: error: invalid preprocessing directive #res
   12 |                 # res=add(res, mul(B, val));
      |                   ^~~
answer.code:14:19: error: invalid preprocessing directive #B
   14 |                 # B=mul(B, M);
      |                   ^
answer.code:15:11: error: invalid preprocessing directive #}
   15 |         # }
      |           ^
answer.code:16:11: error: invalid preprocessing directive #print
   16 |         # print(res);
      |           ^~~~~
answer.code:17:11: error: invalid preprocessing directive #return
   17 |         # return 0;
      |           ^~~~~~
answer.code:18:3: error: invalid preprocessing directive #}
   18 | # }
      |   ^
answer.code:37:3: error: invalid preprocessing directive #print
   37 | # print(x, y)
      |   ^~~~~
answer.code:1:1: error: ‘from’ does not name a type
    1 | from fractions import Fraction
      | ^~~~