package main
import (
"bufio"
"fmt"
"os"
"strconv"
"strings"
)
func main() {
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan(){
input := scanner.Text()
part := strings.Split(input," ")
a,_:=strconv.Atoi(part[0])
b,_ :=strconv.Atoi(part[1])
fmt.Println(a+b)
}
}



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