#include <stdio.h>
int suma(char a){
int sum=0;
while((a=getchar())!=EOF){
sum++;
}return sum;
}
int sumb(char b){
int sum=0;
while((b=getchar())!=EOF){
sum++;
}return sum;
}
int sum(char a[],char b[]){
int sizea=suma(a),sizeb=sumb(b);
if(sizea>sizeb){
return sizeb;
}else return sizea;
if(sizea==sizeb){
int size=sizea;
for(int i=0;i<size;i++){
if(a!=b){
return i;
}
}
}
return -1;
}
int main() {
int a[1001],b[1001],answer=0;
char m,n;
int i=0,t=0;
while((m=getchar())!='\n'){
a[i]=m;
printf("%d",a[i]);
i++;
}
while((n=getchar())!=EOF){
b[t]=n;
t++;
}
answer=sum(a,b);
printf("%d",answer);
return 0;
}