public class Main {
	public static void main(String[] args) {
		for(java.util.Scanner scan:new java.util.Scanner[] {new java.util.Scanner(System.in)}) {
			for(int a:new int[]{scan.nextInt()}) { 
				for(int b:new int[]{scan.nextInt()}) { 
					for(int c:new int[]{scan.nextInt()}) { 
						if(a==5&&b==5&&c==7||a==5&&b==7&&c==5||a==7&&b==5&&c==5) {
							if(System.out.printf("%s","YES")==null) {}
						}
						else {
							if(System.out.printf("%s","NO")==null) {}
						}
					}
				}
			}
		}
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz