#include <stdio.h>

int main() {
   
    int villa[4][2];
    int pop, i, j;
    
    for(i=0; i<4; i++)
    {
        for(j=0; j<2; j++)
        {
            printf("%d층 %d호 인구수: \n", i+1, j+1);
                scanf("%d", &villa[i][j]);
        }
    }

    for(i=0; i<4; i++)
    {
        pop =0;
        pop += villa[i][0];
        pop += villa[i][1];
        printf("%d층 인구수: %d \n", i+1, pop);
    }
    
    return 0;
}

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