#include<bits/stdc++.h>
namespace ifzw{
#define ll long long 
#define dd double 
#define ull unsigned ll
#define LL __int128
#define siz(A) ((int)A.size())
using namespace std;
char gc(){static char buf[1<<16],*s,*t;if(s==t){t=(s=buf)+fread(buf,1,1<<16,stdin);if(s==t)return EOF;}return *s++;}
#define getchar gc
ll read()
{
	char c;
	ll w=1;
	while((c=getchar())>'9'||c<'0')if(c=='-')w=-1;
	ll ans=c-'0';
	while((c=getchar())>='0'&&c<='9')ans=(ans<<1)+(ans<<3)+c-'0';
	return ans*w;
}
void pc(char c,int op)
{
	static char buf[1<<16],*s=buf,*t=(buf+(1<<16));
	(op||((*s++=c)&&(s==t)))&&(fwrite(buf,1,s-buf,stdout),s=buf);
}
void wt(int x)
{
	if(x>9)wt(x/10);
	pc('0'+x%10,0);
}
void wts(int x,char op)
{
	if(x<0)pc('-',0),x=-x;
	wt(x),pc(op,0);
}
char ST;
const int xx=1e6+5;
int n;
char s[xx];
vector<string>v[4]=
{
{"noip"},
{"noi","oip","nop","nip","niop","no?ip","no?p","n?ip"},
{"no","oi","ip","ni","n?i","np","n?p","n??p","op","o?p"},
{"n","o","i","p"}
};
char cg(char A)
{
	if(A=='?')return A;
	if(A=='n')return 'm';
	if(A=='o')return 'e';
	if(A=='i')return 'o';
	if(A=='p')return 'w';
	return 'a';
}
bool cp(char A,char B){return A==B||A=='?'||B=='?';}
char ED;
int main(){
	cerr<<abs(&ST-&ED)/1024.0/1024<<"\n";
//	freopen("noip.in","r",stdin);
//	freopen("noip.out","w",stdout);
	scanf("%s",s+1);
	n=strlen(s+1);
	for(int j=0;j<4;j++)
	{
		for(auto it:v[j])
		{
			int len=siz(it);
			for(int i=1;i<=n-len+1;i++)
			{
				int cr=1;
				for(int k=0;k<len;k++)
					if(!cp(cg(it[k]),s[i+k]))cr=0;
				if(cr)cout<<j<<"\n",exit(0);
			}
		}
	}
	cout<<4<<"\n";
	pc('1',1);
	return 0;
}


}signed main(){return ifzw::main();}