// copying of string using for loop

#include <stdio.h>
#include<string.h>

int main() {
    char a[20],b[20],c[40];
    int i,la,lb;
    scanf("%[^\n]%*c",a);
    scanf("%[^\n]%*c",b);
    la=strlen(a);
    lb=strlen(b);
    
    
    for(i=lb;i<(la+lb-1);i++){
        c[i]=a[i];
    }
    printf("%s",c);
    return 0;
}

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