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

void r(char str1[], char str2[])
{
    int len=strlen(str1);
    int len2=strlen(str2);
    str1[len-1]=0;
    str2[len-1]=0;
}

int main() {

    char str1[20];
    char str2[20];
    char str3[40];

    fgets(str1, sizeof(str1), stdin);
    fgets(str2, sizeof(str2), stdin);

    r(str1, str2);
    
    strcpy(str3, str1);

    strcat(str3, str2);

    puts(str3);
    
    return 0;
}

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