2025-01-23

#include<stdio.h>

int main()

{

int a,b,i=0,p=0,s=0;

scanf("%d %d",&a,&b);

for(i=a ; i<=b ; i=i+1)

{

if(i%2==1)

{

printf("+%d",i);

p=p+i;

}

if(i%2==0)

{

printf("-%d",i);

s=s+i;

}

}

printf("=%d",p-s);

return 0;

}