#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b)for(int i=(a),i##end=(b);i<=i##end;++i)
#define per(i,a,b)for(int i=(a),i##end=(b);i>=i##end;--i)
mt19937 Rnd(chrono::high_resolution_clock::now().time_since_epoch().count());template<typename T>void chkmax(T&x,const T&y){if(x<y)x=y;}template<typename T>void chkmin(T&x,const T&y){if(y<x)x=y;}
#define pb push_back
#define ALL(x)(x).begin(),(x).end()
#define mem(x)memset((x),0,sizeof(x))
typedef double db;typedef long long ll;typedef vector<int>vi;typedef pair<int,int>pii;typedef unsigned u32;typedef unsigned uint;typedef unsigned long long u64;namespace orzjk{const int SZ=1e6;char buf[SZ],*p1=buf,*p2=buf;char nc(){return p1==p2&&(p2=(p1=buf)+fread(buf,1,SZ,stdin),p1==p2)?EOF:*p1++;}char fub[SZ],*p3=fub,*p4=fub+SZ;void pc(char c){p3==p4&&(fwrite(fub,1,SZ,stdout),p3=fub);*p3++=c;}void flush(){fwrite(fub,1,p3-fub,stdout),p3=fub;}}using orzjk::nc;using orzjk::pc;int read(){int x=0,f=1;char c=nc();while(c<48)c=='-'&&(f=-1),c=nc();while(c>47)x=x*10+(c^48),c=nc();return x*f;}template<class T>void write(T x){static char st[41];if(!x)return pc(48),void();char*p=st;if(x<0)x=-x,pc('-');for(;x;x/=10)*p++=x%10|48;do{pc(*--p);}while(p!=st);}const int P=998244353;int qp(int a,int k){int res=1;for(;k;k>>=1,a=1ll*a*a%P)if(k&1)res=1ll*res*a%P;return res;}struct node{string str;array<db,20>val;};vector<node>buk[10];void solve(){int m;cin>>m;array<db,20>x,y;rep(i,0,m-1)cin>>x[i]>>y[i];buk[0].pb({"x",x});rep(_,1,9){array<db,20>c;for(auto[s,a]:buk[_-1]){rep(i,0,m-1)c[i]=sin(a[i]);buk[_].pb({"sin("+s+")",c});rep(i,0,m-1)c[i]=cos(a[i]);buk[_].pb({"cos("+s+")",c});}rep(l,0,_-2){int r=_-2-l;for(auto[s,a]:buk[l])for(auto[t,b]:buk[r]){rep(i,0,m-1)c[i]=a[i]+b[i];buk[_].pb({"("+s+"+"+t+")",c});rep(i,0,m-1)c[i]=a[i]-b[i];buk[_].pb({"("+s+"-"+t+")",c});rep(i,0,m-1)c[i]=a[i]*b[i];buk[_].pb({"("+s+"*"+t+")",c});bool flg=1;rep(i,0,m-1)c[i]=a[i]/b[i],flg&=fabs(b[i])>0.01;if(flg)buk[_].pb({"("+s+"/"+t+")",c});}}}rep(_,0,9){for(auto[s,f]:buk[_]){bool flg=1;rep(i,0,m-1)flg&=fabs(f[i]-y[i])/max(1.0,fabs(y[i]))<1e-3;if(flg){cout<<s<<endl;exit(0);}}}}signed main(){solve();orzjk::flush();return 0;}