Main.cc:3:2: error: 'cin' does not name a type
cin>>s1>>s2;
^
Main.cc:4:2: error: 'num1' does not name a type
num1=strlen(s1);
^
Main.cc:5:2: error: 'num2' does not name a type
num2=strlen(s2);
^
Main.cc:6:2: error: expected unqualified-id before 'if'
if(num1==num2){
^
Main.cc:8:3: error: expected unqualified-id before 'else'
}else{
^