package main
import "fmt"
func main() {
str1 := "aaaaa"
str2 := "bbbbb"
fmt.Print(solution(str1, str2))
}
func solution(str1 string, str2 string) string {
var answer string
for i := 0; i < len(str1); i++ {
answer += string(str1[i]) + string(str2[i])
}
return answer
}