#include <stdio.h> int main() { double a, b, c, d, e, f, s; scanf("%d",&a); b=a/10000; c=(a/1000)%10; d=(a/100)%10; e=(a/10)%10; f=a%10; s=f*10000+e*1000+d*100+c*10+b; printf("%d\n",s); return 0; }