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#include<bits/stdc++.h>
using namespace std;
#define trie *S[30];
int x,i,j,LG;
char L[30];
int main()
{
freopen("trie.in","r",stdin);
freopen("trie.out","w",stdout);
for( i=0;i<26;i++)N[i]=0;
for(;;)
{
if(scanf("%d",&x)==-1)break;
scanf("%s",L);
LG=strlen(L);
if(x==3)
{
for(i=0;i<LG;i++)
{
}
printf("%d\n",i);
continue;
}
if(x==2)
{
for(i=0;i<LG;i++)
{
}
if(i==LG)
printf("%d\n");
else
printf("0\n");
continue;
}
return 0;
}