#include "
stdio.h"
int main(void){
int mat[6][6],i,j,m,n,sum;
while(1){
printf("Input m & n(int 0 < m,n < 7)...\n");
if(scanf("%d%d",&m,&n) && 0<m && m<7 && 0<n && n<7){
for(i=0;i<m;i++){
for(sum=j=0;j<n;sum+=mat[i][j++])
scanf("%d",mat[i]+j);
printf("Line%d: %d\n",i+1,sum);
}
break;
}
printf("Error, redo: ");
fflush(stdin);
}
return 0;
}