#include <stdio.h>void main(){ int a,b; int x,y,z,m; printf("input the first number:"); scanf("%d",&a); printf("input the second number:"); scanf("%d",&b); x=a/10; y=b/10; z=a-a/10*10; m=b-b/10*10; printf("%d%d%d%d",x,y,z,m);}