public class J3_3_1 {
  public static void main(String[] args) {
    int sum=0;
    int n;
    for(n = 1; n <= 10; n = n + 1) {
      sum = sum + n;
    }
    System.out.println("1 + 2 + 3 + ... + 10 = " + sum);
  }
}