P122.14

#include<stdio.h>#include<math.h>int Reverse(unsigned int s){  int a,b,c,d,e;int p,k;printf("input your int:");scanf("%d",&s);a=s%10;b=s/10;c=b%10;e=c/10;d=e%10;p=s/1000;k=a*1000+c*100+d*10+p;return 1;}int main(){   int a,b,c,d,e;int p,s,k;printf("input your int:\n");scanf("%d",&s);a=s%10;b=s/10;c=b%10;e=b/10;d=e%10;p=s/1000;k=a*1000+c*100+d*10+p;printf("%d",k);return 1;}