Argentina -> Buenos Aires
Venezuela -> Caracas
Brasil -> Sao Paulo
Ecuador -> Quito
Chile -> Santiago de Chile
Uruguay -> Montevideo
...
...
...

1+1=2
1+2=3
1+3=4
1+4=5
1+5=6
1+6=7
1+7=8
1+8=9
1+9=10

if(A==1 AND B==1){
    C=2
}
if(A==1 AND B==2){
    C=3
}
if(A==1 AND B==3){
    C=4
}
...
if(A==1 AND B==9){
    C=10
}