public class Test1 {
public static void main(String[] args) {
int sum = 0;
for(int i = 1; i <= 10; i++){
sum += i;
}
System.out.println(sum);
}
}
public class Test {
public static void main(String[] args) {
int sum = (1+10)*10/2;
System.out.println(sum);
}
}
int sum=0;
for(int i=0;i<=10;i++){
sum+=i;
}
sys......(sum);