#include <stdio.h>

int main() {
    int i= 1 ;
    /* printf("%d \n",i++);
     printf("%d",i);
    i++ post increment,i.e use i then increase */
    
    //printf("%d \n",++i);
   // printf("%d", i);
   // ++i preincrement,i.e increase i then use
    
    printf("%d \n", i--);
    printf("%d", i);
    //i-- postdecrement,i.e use i then decrease*/
    
    /*printf(" %d \n", --i);
    printf("%d",i);
    --i predecrement,i.e decrease i then use*/
    return 0;
}