#include <stdio.h>
left(unsigned value,int n){
unsigned z;
z=(value>>(32-n))|(value<<n);
return z;
}
void main(){
unsigned a;
int n;
printf("please input a number:\n");
scanf("%o",&a);
printf("please input the number of displacement (>0):\n");
scanf("%d",&n);
printf("the result is:%o\n",left(a,n));
}
