#include<stdio.h>
int main(){
    int n,m,gcd;
    scanf("%d %d",&n,&m);
    int min;
    if(a<b){
        min=a;
    }
    else{
        min=b;
    }
    for (int i=1;i<=min;i++){
        if(min%i==0){
            gcd=i;
        }
        printf("%d",gcd);
    }
}