SetWorkingDir %A_ScriptDir%

FileRead, numTxt, % A_ScriptDir "\1.txt"

NumArray := StrSplit(numTxt, "`r`n")

for i, j in NumArray {
    for k, l in NumArray {
        if (j != l) and (j + l = 2020) {
            Clipboard := j * l
            breakLoop := 1
            Break
        }
    }
    if breakLoop
        Break
}