for (;;)break;
for (;;) {
    var a=1;
    break;
}
for (var i=1;;)break;
for (var i=1;;i+=1)break;
for (var i=1;i<10;i+=1)
    print(i," ");
print("\n");
while (1)break;
var j=0;
while (j<10) {
    print(j," ");
    j+=1;
}
print("\n");

forindex(var j;[0,1,2,3])
    print(j," ");
print("\n");
forindex(var j;[0,1,2,3]) {
    var a=j;
    print(a*a," ");
}
print("\n");
foreach(var j;[0,1,2,3])
    print([0,1,2,3][j]," ");
print("\n");
foreach(var j;[0,1,2,3]) {
    var a=[0,1,2,3][j];
    print(a*a-1," ");
}
print("\n");

var f = func() {
    var x=0;
    return func() {x+=1;};
}();
for (var i=0;i<4e6;i+=1)
    f();