package main

import . "fmt"

func main() {
	var a, b string
	Scan(&a,&b)
	if '0' <= b[0] && b[0] <= '9' {
		var n int64
		Sscanf(a+b,"%d", &n)
		Println(n)
	} else {
		var x,y int64
		Sscanf(a, "%d", &x)
		Sscanf(b, "%d", &y)
		Println(x+y)
	}
}